package com.heima.behavior.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.behavior.mapper.ApLikesBehaviorMapper;
import com.heima.behavior.mapper.ApReadBehaviorMapper;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApLikesBehaviorService;
import com.heima.behavior.service.ApReadBehaviorService;
import com.heima.model.behavior.dtos.LikesBehaviorDto;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.behavior.pojos.ApReadBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.pojos.ApUser;
import com.heima.utils.threadlocal.AppThreadLocalUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Date;

/**
 * @Description:
 * @Version: V1.0
 */
@Service
public class ApLikesBehaviorServiceImpl extends ServiceImpl<ApLikesBehaviorMapper, ApLikesBehavior>
        implements ApLikesBehaviorService {
    @Autowired
    private ApBehaviorEntryService apBehaviorEntryService;

    /**
     * 存储喜欢数据
     *
     * @param dto
     * @return
     */
    @Override
    public ResponseResult like(LikesBehaviorDto dto) {
        if (dto==null||dto.getArticleId()==null||
                (dto.getType()<0||dto.getType()>2)||
                (dto.getOperation()<0||dto.getOperation()>1)){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        ApUser user = AppThreadLocalUtils.getUser();
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if (apBehaviorEntry == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }

        ApLikesBehavior apLikesBehavior = getOne(Wrappers.<ApLikesBehavior>lambdaQuery()
                .eq(ApLikesBehavior::getArticleId, dto.getArticleId())
                .eq(ApLikesBehavior::getEntryId, apBehaviorEntry.getId()));

        if (apLikesBehavior == null && dto.getOperation().equals(ApLikesBehavior.Operation.CANCEL.getCode())) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID,"暂无点赞");
        }

        if (apLikesBehavior != null && apLikesBehavior.getOperation().intValue()==0 && dto.getOperation().equals(ApLikesBehavior.Operation.LIKE.getCode())) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID,"无需重复点赞");
        }

        // 保存点赞
        if (apLikesBehavior == null && dto.getOperation().equals(ApLikesBehavior.Operation.LIKE.getCode())) {
            apLikesBehavior = new ApLikesBehavior();
            apLikesBehavior.setOperation(dto.getOperation());
            apLikesBehavior.setCreatedTime(new Date());
            apLikesBehavior.setType(dto.getType());
            apLikesBehavior.setArticleId(dto.getArticleId());
            apLikesBehavior.setEntryId(apBehaviorEntry.getId());
            save(apLikesBehavior);
            return ResponseResult.okResult(AppHttpCodeEnum.SUCCESS);
        }else {
            //4.取消点赞
            apLikesBehavior.setOperation(dto.getOperation());
            updateById(apLikesBehavior);
            return ResponseResult.okResult(AppHttpCodeEnum.SUCCESS);
        }
    }
    }
